159996890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{16649}}^1$

素因数の和:16718

約数の個数: 24

約数和(自身を含む): 297602100

約数和(自身を除く): 137605210

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 961, 1922, 4805, 9610, 16649, 33298, 83245, 166490, 516119, 1032238, 2580595, 5161190, 15999689, 31999378, 79998445, 159996890]

約数ペア:

[(1, 159996890), (2, 79998445), (5, 31999378), (10, 15999689), (31, 5161190), (62, 2580595), (155, 1032238), (310, 516119), (961, 166490), (1922, 83245), (4805, 33298), (9610, 16649)]